Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 794

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-794 A Delta MO DELTMOSWRSE  9533 SOUTHWESTERN BELL 520      
573-794 0 Delta MO   145J TERRA NOVA TELECOM INC. 520   2021-11-02   
573-794 1 Delta MO DELTMOSWRSE  9533 SOUTHWESTERN BELL 520      
573-794 2 Delta MO DELTMOSWRSE  9533 SOUTHWESTERN BELL 520      
573-794 3 Delta MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2018-02-07   
573-794 4 Delta MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2021-07-24   
573-794 5 Delta MO STLSMO09WMD  516C AT&T CORP. 520   2011-05-20   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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